what will be the route pattern for toll free numers for national numbers
It depends on the Number you dialling..
Assume that your toll free number is 8000120001 and you use 9 as PSTN dialling prefix in that case the RP will be as mention below.
It can be exact match as below
Or using wild mask
You’ll have to provide a little more details on this to get any specific answer. For starters what country are you asking about?